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Zirconia (ZrO2) Ceramics

Zirconia Ceramics Description

Zirconia Ceramic Materials

Zirconia ceramic, also known as zirconium oxide (ZrO2), is a white crystalline oxide of zirconium. Its most naturally occurring form is the mineral baddeleyite with a monoclinic crystalline structure. 

Zirconium oxide ceramics have the highest toughness and strength at room temperature of all the advanced ceramic materials. It also has a high thermal expansion, low thermal conductivity, and high resistance to corrosion. Its unique resistance to crack propagation and high thermal expansion make it an excellent material for joining ceramics and metals such as steel.

Zirconia Ceramics Structures

There are three types of crystal structures of zirconia ceramics: cubic crystal,  tetragonal and monoclinic. Pure zirconia is monoclinic (m), under ambient conditions. With increasing temperature, the material transforms to a tetragonal crystal structure (t) at ∼1170 °C and then to a cubic crystal structure (c), followed by a fluorite structure at ∼2370 °C with melting at 2716 °C.

Zirconia structures

Zirconia Ceramics Properties

Compound Formula ZrO2
Molecular Weight 123.22
Appearance White
Melting Point 2,715° C (4,919° F)
Boiling Point 4,300° C (7,772° F)
Density > 5.68 g/cm3
Water absorption < 0.05%
Hardness 1350 HV
Hot expansion coefficient 9.5×10-6 /°C
Fracture toughness 8.0 MPa m½

Zirconia Ceramics Specification

Zirconium Oxide ZrO2

CAS#: 1314-23-4, Not Hazardous, F.W. 123.22, m.p. 2700 °C, b.p. ~5000 °C, Spec. Gravity 5.89 gm/cm3
White Powder. All grades are manufactured by the calcination of chemically co-precipitated or re-crystallization intermediates.
Item No. Description Purity Lot Size
OX40-3N Zirconia Fine Powder
D50= -325 mesh
99.9 %
Na2O < 0.01%; Fe2O3 < 0.003%; SiO2 < 0.05%
1 MT
10 MT
Customize
OX40-3NE Zirconia White Fine Powder (by Precipitation)
D50= 1~3 µm
Surface Area: > 5 m2/g
99.9 %
Na2O < 0.01%; Fe2O3 < 0.001%; SiO2 < 0.015%
1 MT
10 MT
Customize
OX40-3NF Zirconia White Fine Powder (by Precipitation)
D50= < 1.0 µm
Surface Area: > 8 m2/g
99.9 %
Na2O < 0.01%; Fe2O3 < 0.001%; SiO2 < 0.015%
1 MT
10 MT
Customize
OX40-3N5E Zirconia White Fine Powder (by Precipitation)
D50= 1~3 µm
Surface Area: > 5 m2/g
99.95 %
Na2O < 0.005%; Fe2O3 < 0.001%; SiO2 < 0.01%
1 MT
10 MT
Customize
OX40-3N5F Zirconia White Fine Powder (by Precipitation)
D50= 0.5~ 1.0 µm
Surface Area: > 15 m2/g
99.95 %
Na2O < 0.005%; Fe2O3 < 0.001%; SiO2 < 0.01%
1 MT
10 MT
Customize
OX40-3N5G Zirconia White Powder (by Precipitation)
-200 mesh or -325 mesh
99.95 %
Na2O < 0.005%; Fe2O3 < 0.0005%; SiO2 < 0.01%
1 MT
10 MT
Customize

Yttria Stabilized Zirconia ZrO2 + Y2O3

White Powder. All grades here are manufactured by the calcination of chemically co-precipitated intermediates.
Item No. Description Purity Lot Size
PSZ-5.2Y Yttria (3 mol%) Stabilized Zirconia
D50 < 0.5 µm; Specific Surface Area > 20 m2/gm
Zr(Hf)O2 94.5%;
Y2O3: 5.2 ± 0.2 %
100 kg
1,000 kg
Customize
PSZ-5.2YB Yttria (3 mol%) Stabilized Zirconia, Spray-dried,
coated with PVA binder and ready to press. Granule size:70 -100 µm;
Zr(Hf)O2 94.5%;
Y2O3: 5.2 ± 0.2 %
100 kg
1,000 kg
Customize
PSZ-5.5Y Yttria (3 mol%) Stabilized Zirconia
D50= 0.5 – 1.0 µm; Specific Surface Area > 15 m 2/gm
Zr(Hf)O2 93.5%;
Y2O3: 5.5 ± 0.2 %
100 kg
1,000 kg
Customize
PSZ-5.5YS Yttria (3 mol%) Stabilized Zirconia
D50= 0.5-1 µm; Specific Surface Area = 7 – 9 m 2/gm.
Best for tape casting, slip casting and injection molding techniques
Zr(Hf)O2 93.5%;
Y2O3: 5.5 ± 0.2 %
100 kg
1,000 kg
Customize
PSZ-13.5Y Yttria (8 mol%) Fully Stabilized Zirconia
D50 = 0.5 – 1.0 µm; Specific Surface Area > 15 m2/gm.
Best for pressing techniques.
Zr(Hf)O2 85.5%;
Y2O3: 13.5 ± 0.2 %
100 kg
1,000 kg
Customize
PSZ-13.5YS Yttria (8 mol%) Fully Stabilized Zirconia
D50 = 0.5 – 1.0 µm; Specific Surface Area 7 – 9 m2/gm.
Best for tape casting, slip casting and injection molding techniques.
Zr(Hf)O2 85.5%;
Y2O3: 13.5 ± 0.2 %
100 kg
1,000 kg
Customize

Zirconia Ceramics Application

– Production of hard ceramics. 
– Protective coating on particles of titanium dioxide pigments.
– Refractory material, in insulation, abrasives and enamels.
– Stabilized ZrO2 is used in oxygen sensors and fuel cell membranes.
– Solid electrolyte in electrochromic devices.
– Dental crowns, zirconia crowns.

zirconia ceramic dental plants

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Your Zirconia Ceramics Supplier

Advanced Ceramic Materials (ACM) is a leading supplier of zirconia ceramic products of the highest quality for a wide range of applications. We are happy to provide advice on materials, design, and application. Feel free to contact us for any questions about ZrO2 or other ceramic materials that are not listed on the website. 

 

Zirconia Ceramic Definition & Application Fields